SMTL ID : 3hc8.1

Investigation of Aminopyridiopyrazinones as PDE5 Inhibitors: Evaluation of Modifications to the Central Ring System.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.79 Å

Oligo State

monomer

Ligands

1 x PD4: 6-(6-methoxypyridin-3-yl)-2-[(2-morpholin-4-ylethyl)amino]-4-(2-propoxyethyl)pyrido[2,3-b]pyrazin-3(4H)-one(Non-covalent)

PD4.1: 12 residues within 4Å: Chain A: Y.77, I.195, A.233, I.234, Q.241, A.245, V.248, F.252, L.270, M.282, Q.283, F.286 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:V.248, A:V.248 Hydrogen bonds: A:Q.283 pi-Stacking: A:F.252, A:F.286, A:F.286

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 4 residues within 4Å: Chain A: H.82, H.118, D.119, D.230 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.82, A:H.118, A:D.119, A:D.230, H2O.1

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 1 residues within 4Å: Chain A: D.119 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.119, H2O.1, H2O.4, H2O.6, H2O.6 MG.4: 2 residues within 4Å: Chain A: S.171, E.173 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:E.173

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hughes, R.O. et al., Investigation of aminopyridiopyrazinones as PDE5 inhibitors: Evaluation of modifications to the central ring system. Bioorg.Med.Chem.Lett. (2009)

Release Date

2009-07-07

Peptides

cGMP-specific 3',5'-cyclic phosphodiesterase,cAMP-specific 3',5'-cyclic phosphodiesterase 4A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

cGMP-specific 3',5'-cyclic phosphodiesterase,cAMP-specific 3',5'-cyclic phosphodiesterase 4A

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